Wocky master.
gnutls-devel-3.1.24-1.fc20.x86_64

#0  __GI_____strtoul_l_internal (nptr=nptr@entry=0x7fff00000001 <error: Cannot access memory at address 0x7fff00000001>, endptr=endptr@entry=0x7fffffffc7f8, base=base@entry=10, 
    group=group@entry=0, loc=0x3513fb9060 <_nl_global_locale>) at ../stdlib/strtol_l.c:298
#1  0x0000003513c3a952 in __GI_strtoul (nptr=nptr@entry=0x7fff00000001 <error: Cannot access memory at address 0x7fff00000001>, endptr=endptr@entry=0x7fffffffc7f8, base=base@entry=10)
    at ../stdlib/strtol.c:108
#2  0x00007ffff4fd46bd in scram_server_mech_step1 (oparams=<optimized out>, serveroutlen=0x7fffffffca9c, serverout=0x7fffffffcaa0, clientinlen=57, 
    clientin=0x6b89a0 "n,,n=moose,r=x/9aXkXh0QRv08aicV9rXaDiCo07OLw3C1khj9LedKk=", sparams=0x6c5e40, text=0x6bb080) at scram.c:797
#3  scram_server_mech_step (conn_context=0x6bb080, sparams=0x6c5e40, clientin=0x6b89a0 "n,,n=moose,r=x/9aXkXh0QRv08aicV9rXaDiCo07OLw3C1khj9LedKk=", clientinlen=<optimized out>, 
    serverout=0x7fffffffcaa0, serveroutlen=0x7fffffffca9c, oparams=0x6c54a0) at scram.c:1470
#4  0x000000383d612ba8 in sasl_server_step (conn=0x6c4c30, clientin=0x7fffffffc7f8 "\300\371Z\367\377\177", clientinlen=10, serverout=0x7fffffffcaa0, 
    serveroutlen=0x3513fb9060 <_nl_global_locale>) at server.c:1618
#5  0x000000383d613119 in sasl_server_start (conn=<optimized out>, mech=<optimized out>, clientin=<optimized out>, clientinlen=57, serverout=0x7fffffffcaa0, 
    serveroutlen=0x7fffffffca9c) at server.c:1533
#6  0x000000000040dd8a in handle_auth (self=0x7ffff00066e0, stanza=0x6b5f30) at wocky-test-sasl-auth-server.c:702
#7  0x000000000040e9d3 in test_sasl_auth_server_auth_async (obj=0x7ffff00066e0, conn=0x6bb690, auth=0x6b5f30, cb=0x41183a <after_auth>, cancellable=0x6ad4e0, data=0x6a3190)
    at wocky-test-sasl-auth-server.c:1090
#8  0x0000000000410e50 in handle_auth (self=0x6a3190, xml=0x6b5f30) at wocky-test-connector-server.c:969
#9  0x0000000000411795 in xmpp_handler (source=0x6bb690, result=0x6ca580, user_data=0x6a3190) at wocky-test-connector-server.c:1203
#10 0x00007ffff7a98ff3 in g_simple_async_result_complete (simple=0x6ca580) at gsimpleasyncresult.c:763
#11 0x000000000042cce9 in _xmpp_connection_received_data (source=0x690910, result=0x6ca8b0, user_data=0x6bb690) at wocky-xmpp-connection.c:562
#12 0x00007ffff7a7b00a in async_ready_callback_wrapper (source_object=0x690910, res=0x6ca8b0, user_data=0x6bb690) at ginputstream.c:518
#13 0x00007ffff7a98ff3 in g_simple_async_result_complete (simple=0x6ca8b0) at gsimpleasyncresult.c:763
#14 0x0000000000431416 in wocky_tls_job_result_gssize (job=0x6d0090, result=257) at wocky-tls.c:369
#15 0x0000000000431703 in wocky_tls_session_try_operation (session=0x6d0000, operation=WOCKY_TLS_OP_READ) at wocky-tls.c:439
#16 0x00000000004335c6 in wocky_tls_session_read_ready (object=0x6b5c30, result=0x6a7ae0, user_data=0x6d0000) at wocky-tls.c:1290
#17 0x00007ffff7a7b00a in async_ready_callback_wrapper (source_object=0x6b5c30, res=0x6a7ae0, user_data=0x6d0000) at ginputstream.c:518
#18 0x00007ffff7aaef64 in g_task_return_now (task=0x6a7ae0) at gtask.c:1076
#19 0x00007ffff7aaef95 in complete_in_idle_cb (task=0x6a7ae0) at gtask.c:1085
#20 0x00007ffff72ad278 in g_idle_dispatch (source=0x6bc120, callback=0x7ffff7aaef7d <complete_in_idle_cb>, user_data=0x6a7ae0) at gmain.c:5319
#21 0x00007ffff72aa992 in g_main_dispatch (context=0x690df0) at gmain.c:3064
#22 0x00007ffff72ab708 in g_main_context_dispatch (context=0x690df0) at gmain.c:3663
#23 0x00007ffff72ab8fa in g_main_context_iterate (context=0x690df0, block=1, dispatch=1, self=0x69a730) at gmain.c:3734
#24 0x00007ffff72abd23 in g_main_loop_run (loop=0x690f90) at gmain.c:3928
#25 0x000000000040b66e in run_test (data=0x66df80 <tests+320>) at wocky-connector-test.c:3553
#26 0x00007ffff72d61ab in test_case_run (tc=0x692230) at gtestutils.c:2059
#27 0x00007ffff72d6547 in g_test_run_suite_internal (suite=0x68d700, path=0x7ffff7343820 "") at gtestutils.c:2120
#28 0x00007ffff72d6609 in g_test_run_suite_internal (suite=0x68d6e0, path=0x7ffff7343820 "") at gtestutils.c:2131
#29 0x00007ffff72d678c in g_test_run_suite (suite=0x68d6e0) at gtestutils.c:2184
#30 0x00007ffff72d546e in g_test_run () at gtestutils.c:1488
#31 0x000000000040c302 in main (argc=1, argv=0x7fffffffd6d8) at wocky-connector-test.c:3741